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| Doubles | ||||
|---|---|---|---|---|
| 2021 J&T Banka Ostrava Open | ||||
| Final | ||||
| Champions |  Sania Mirza Zhang Shuai | |||
| Runners-up |  Kaitlyn Christian Erin Routliffe | |||
| Score | 6–3, 6–2 | |||
| Events | ||||
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Elise Mertens andAryna Sabalenka were the defending champions,[1] but chose not to participate.
Sania Mirza andZhang Shuai won the title, defeatingKaitlyn Christian andErin Routliffe in the final, 6–3, 6–2.[2]
Magda Linette /Bernarda Pera(semifinals, withdrew)Sania Mirza /Zhang Shuai (champions)Kaitlyn Christian /Erin Routliffe(final)
Eri Hozumi /Makoto Ninomiya(semifinals)Key
| First round | Quarterfinals | Semifinals | Final | ||||||||||||||||||||||||
| 1 | M LinetteB Pera | 6 | 6 | ||||||||||||||||||||||||
 A MituA Rosolska | 0 | 4 | 1 | M LinetteB Pera | 6 | 6 | |||||||||||||||||||||
 A Sharma R van der Hoek | 7 | 7 | A SharmaR van der Hoek | 4 | 2 | ||||||||||||||||||||||
 A Fomina-KlotzK Kawa | 5 | 5 | 1 | M LinetteB Pera | |||||||||||||||||||||||
| 3 | K ChristianE Routliffe | 6 | 6 | 3 | K ChristianE Routliffe | w/o | |||||||||||||||||||||
| Alt | R Bhosale E Webley-Smith | 3 | 4 | 3 | K ChristianE Routliffe | 6 | 6 | ||||||||||||||||||||
| A BlinkovaM Doi | 6 | 2 | [13] |  V Heisen R Voráčová | 3 | 2 | |||||||||||||||||||||
| V HeisenR Voráčová | 1 | 6 | [15] | 3 | K ChristianE Routliffe | 3 | 2 | ||||||||||||||||||||
 O KalashnikovaM Kato | 6 | 6 | 2 | S MirzaS Zhang | 6 | 6 | |||||||||||||||||||||
| J LohoffA Panova | 1 | 2 | O KalashnikovaM Kato | 4 | 2 | ||||||||||||||||||||||
K Piter K Zimmermann | 3 | 6 | [6] | 4 | E HozumiM Ninomiya | 6 | 6 | ||||||||||||||||||||
| 4 | E HozumiM Ninomiya | 6 | 3 | [10] | 4 | E HozumiM Ninomiya | 2 | 5 | |||||||||||||||||||
| N DzalamidzeY Sizikova | 3 | 77 | [6] | 2 | S MirzaS Zhang | 6 | 7 | ||||||||||||||||||||
 A Danilina L Marozava | 6 | 63 | [10] | A DanilinaL Marozava | 3 | 6 | [6] | ||||||||||||||||||||
| E BektasT Moore | 77 | 5 | [7] | 2 | S MirzaS Zhang | 6 | 3 | [10] | |||||||||||||||||||
| 2 | S MirzaS Zhang | 63 | 7 | [10] | |||||||||||||||||||||||